| Clachan, Lizzie | Lizzie Clachan | Designer | 2017 - 2021 | 4 | |
| Currell, Philip | Philip Currell | Actor, Dancer | 2017 - 2020 | 6 | |
| Curran, Lee | Lee Curran | Lighting Designer | 2017 - 2020 | 3 | |
| Curreli, Luca | Luca Curreli | Actor | 2017 - 2020 | 2 | |
| Calderón, David | David Calderón | Actor | 2017 - 2020 | 8 | |
| Castells, Lluc | Lluc Castells | Designer | 2017 - 2020 | 2 | |
| Climent, Emilio | Emilio Climent | Musician | 2017 - 2020 | 2 | |
| Ciulli, Roberto | Roberto Ciulli | Actor, Director | 2017 - 2019 | 4 | 1 |
| Craig, Betsy, Kruse | Betsy Kruse Craig | Actor, Director | 2017 - 2018 | 2 | |
| Correa, Yolanda | Yolanda Correa | Dancer | 2017 | 1 | |
| Clauß, Christian | Christian Clauß | Actor | 2017 | 1 | |
| Conroy, Tom | Tom Conroy | Actor | 2017 | 1 | |
| Clemens, Guy | Guy Clemens | Actor | 2017 | 35 | |
| Caldwell, Erika | Erika Caldwell | Actor | 2017 | 2 | |
| Campanaro, Tim | Tim Campanaro | Actor | 2017 | 4 | |
| Cornwell, Jordan | Jordan Cornwell | Actor | 2017 | 4 | |
| Clark, Ian | Ian Clark | Actor | 2017 | 1 | |
| Cook, Elinor | Elinor Cook | Adaptation | 2017 | 1 | 1 |
| Coşar, Ünsal | Ünsal Coşar (Unsal Cosar) | Director | 2017 | 1 | |
| Curzon, Tom | Tom Curzon | Actor | 2017 | 4 | |
| Coram, Giles | Giles Coram | Actor | 2017 | 3 | |
| Canforini, Maurizio | Maurizio Canforini | Actor | 2017 | 1 | |
| Chalvin, Nicolas | Nicolas Chalvin | Musical Director | 2017 | 2 | |
| Cerny, Stefan | Stefan Cerny | Actor | 2017 | 1 | |
| Chavango, Angelina | Angelina Chavango | Actor | 2017 | 1 | |
| César, Atila | Atila César | Actor | 2017 | 1 | |
| Cortzen, Rasmus | Rasmus Cortzen | Actor | 2017 | 1 | |
| Cuestas-Thompson, Eric | Eric Cuestas-Thompson | Actor | 2017 | 1 | |
| Craig, Michael | Michael Craig | Actor | 2017 | 1 | |
| Conroy, Jarlath | Jarlath Conroy | Actor | 2017 | 1 | |
| Chalabianlou, Elwin | Elwin Chalabianlou | Actor | 2017 | 1 | |
| Chodos, Hannah | Hannah Chodos | Actor | 2017 | 1 | |
| Cohn, Matthew | Matthew Cohn | Actor | 2017 | 1 | |
| Connor, Steve | Steve Connor | Actor | 2017 | 1 | |
| Chambers, Alison Bridget | Alison Bridget Chambers | Actor | 2017 | 1 | |
| Collette, Mallory | Mallory Collette | Actor | 2017 | 1 | |
| Collette, Ian | Ian Collette | Actor | 2017 | 1 | |
| Collette, Abbygail | Abbygail Collette | Actor | 2017 | 1 | |
| Carlsen, Heidi | Heidi Carlsen | Actor | 2017 | 1 | |
| Cottrell, Emma | Emma Cottrell | Actor | 2017 | 1 | |
| Caffaro, Leslie | Leslie Caffaro | Actor | 2017 | 1 | |
| Cohen, Gil | Gil Cohen | Actor | 2017 | 1 | |
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